/**
 * Created on Sun Feb 27 11:37:44 CST 2011
 * Copyright SinoBest, 2010-2011, All rights reserved.
 */package cn.com.test.dao;

import java.util.Date;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import cn.com.test.dao.User;


/**
 * @Author zhou
 * @Date Sun Feb 27 11:37:44 CST 2011
 * @to-do 
 */public class UserDAO extends HibernateDaoSupport {
	
	private static final Log log = LogFactory.getLog(UserDAO.class);
	
	// property constants
	public static final String SYSTEMID = "systemid";
	public static final String LOGNAME = "logname";
	public static final String USERNAME = "username";
	public static final String PWD = "pwd";
	public static final String ROLEID = "roleid";
	public static final String STATE = "state";
	public static final String CREATORID = "creatorid";
	public static final String CREATETIME = "createtime";
	
	// property constants
	protected void initDao() {
		// do nothing
	}
	
	public void save(User transientInstance) {
		log.debug("saving User instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}
	
	public void delete(User persistentInstance) {
		log.debug("deleting User instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}
	
	public User findById(java.lang.String id) {
		log.debug("getting User instance with id: " + id);
		try {
			User instance = (User) getHibernateTemplate().get(
					"cn.com.test.dao.User", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}
	
	public List findAll() {
		log.debug("finding all User instances");
		try {
			String queryString = "from User";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	
	public User merge(User detachedInstance) {
		log.debug("merging User instance");
		try {
			User result = (User) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}
	
	public void attachDirty(User instance) {
		log.debug("attaching dirty User instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(User instance) {
		log.debug("attaching clean User instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static UserDAO getFromApplicationContext(ApplicationContext ctx) {
		return (UserDAO) ctx.getBean("UserDAO");
	}
	
	public List findByExample(User instance) {
		log.debug("finding User instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: " + results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}
	
	public List findByProperty(String propertyName, Object value) {
		log.debug("finding User instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from User as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}
	
	public List findBySystemid(Object systemid) {
		return findByProperty(SYSTEMID, systemid);
	}
	public List findByLogname(Object logname) {
		return findByProperty(LOGNAME, logname);
	}
	public List findByUsername(Object username) {
		return findByProperty(USERNAME, username);
	}
	public List findByPwd(Object pwd) {
		return findByProperty(PWD, pwd);
	}
	public List findByRoleid(Object roleid) {
		return findByProperty(ROLEID, roleid);
	}
	public List findByState(Object state) {
		return findByProperty(STATE, state);
	}
	public List findByCreatorid(Object creatorid) {
		return findByProperty(CREATORID, creatorid);
	}
	public List findByCreatetime(Object createtime) {
		return findByProperty(CREATETIME, createtime);
	}

}